Debug Openstack external storage error

response.json

{
	"id": 1,
	"mountPoint": "/OpenStackObjectStorage2",
	"backend": "swift",
	"authMechanism": "openstack::openstack",
	"backendOptions": {
		"bucket": "xx",
		"password": "xx",
		"region": "xx",
		"service_name": "OVH cloud 2",
		"tenant": "xx",
		"timeout": "",
		"url": "https://auth.cloud.ovh.net/v2.0/",
		"user": "xx"
	},
	"priority": 100,
	"mountOptions": {
		"enable_sharing": false,
		"encoding_compatibility": false,
		"encrypt": true,
		"filesystem_check_changes": 1,
		"previews": true
	},
	"status": 1,
	"userProvided": false,
	"type": "system"
}